diff --git a/aqbanking.spec b/aqbanking.spec
index ce59777..150c667 100644
--- a/aqbanking.spec
+++ b/aqbanking.spec
@@ -41,6 +41,7 @@ Group:          Productivity/Office/Finance
 Url:            http://www.aquamaniac.de/aqbanking/
 Source:         %{name}-%{version}.tar.gz
 Source1:        aqbanking4-handbook-20091231.pdf
+Source2:		%{name}-%{version}.tar.gz.asc
 BuildRequires:  cmake
 BuildRequires:  doxygen
 BuildRequires:  fdupes